{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-49261", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49261", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-02-26T01:56:13.077Z", "updatedAt": "2026-08-05T08:54:29.551Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "drm/i915/gem: add missing boundary check in vm_access", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/gem: add missing boundary check in vm_access\n\nA missing bounds check in vm_access() can lead to an out-of-bounds read\nor write in the adjacent memory area, since the len attribute is not\nvalidated before the memcpy later in the function, potentially hitting:\n\n[ 183.637831] BUG: unable to handle page fault for address: ffffc90000c86000\n[ 183.637934] #PF: supervisor read access in kernel mode\n[ 183.637997] #PF: error_code(0x0000) - not-present page\n[ 183.638059] PGD 100000067 P4D 100000067 PUD 100258067 PMD 106341067 PTE 0\n[ 183.638144] Oops: 0000 [#2] PREEMPT SMP NOPTI\n[ 183.638201] CPU: 3 PID: 1790 Comm: poc Tainted: G D 5.17.0-rc6-ci-drm-11296+ #1\n[ 183.638298] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake H DDR4 RVP, BIOS CNLSFWR1.R00.X208.B00.1905301319 05/30/2019\n[ 183.638430] RIP: 0010:memcpy_erms+0x6/0x10\n[ 183.640213] RSP: 0018:ffffc90001763d48 EFLAGS: 00010246\n[ 183.641117] RAX: ffff888109c14000 RBX: ffff888111bece40 RCX: 0000000000000ffc\n[ 183.642029] RDX: 0000000000001000 RSI: ffffc90000c86000 RDI: ffff888109c14004\n[ 183.642946] RBP: 0000000000000ffc R08: 800000000000016b R09: 0000000000000000\n[ 183.643848] R10: ffffc90000c85000 R11: 0000000000000048 R12: 0000000000001000\n[ 183.644742] R13: ffff888111bed190 R14: ffff888109c14000 R15: 0000000000001000\n[ 183.645653] FS: 00007fe5ef807540(0000) GS:ffff88845b380000(0000) knlGS:0000000000000000\n[ 183.646570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 183.647481] CR2: ffffc90000c86000 CR3: 000000010ff02006 CR4: 00000000003706e0\n[ 183.648384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 183.649271] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[ 183.650142] Call Trace:\n[ 183.650988] \n[ 183.651793] vm_access+0x1f0/0x2a0 [i915]\n[ 183.652726] __access_remote_vm+0x224/0x380\n[ 183.653561] mem_rw.isra.0+0xf9/0x190\n[ 183.654402] vfs_read+0x9d/0x1b0\n[ 183.655238] ksys_read+0x63/0xe0\n[ 183.656065] do_syscall_64+0x38/0xc0\n[ 183.656882] entry_SYSCALL_64_after_hwframe+0x44/0xae\n[ 183.657663] RIP: 0033:0x7fe5ef725142\n[ 183.659351] RSP: 002b:00007ffe1e81c7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000\n[ 183.660227] RAX: ffffffffffffffda RBX: 0000557055dfb780 RCX: 00007fe5ef725142\n[ 183.661104] RDX: 0000000000001000 RSI: 00007ffe1e81d880 RDI: 0000000000000005\n[ 183.661972] RBP: 00007ffe1e81e890 R08: 0000000000000030 R09: 0000000000000046\n[ 183.662832] R10: 0000557055dfc2e0 R11: 0000000000000246 R12: 0000557055dfb1c0\n[ 183.663691] R13: 00007ffe1e81e980 R14: 0000000000000000 R15: 0000000000000000\n\nChanges since v1:\n - Updated if condition with range_overflows_t [Chris Wilson]\n\n[mauld: tidy up the commit message and add Cc: stable]\n(cherry picked from commit 661412e301e2ca86799aa4f400d1cf0bd38c57c6)", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "9f909e215fea0652023b9ed09d3d7bfe10386423", "status": "affected", "versionType": "git", "lessThan": "89ddcc81914ab58cc203acc844f27d55ada8ec0e" }, { "version": "9f909e215fea0652023b9ed09d3d7bfe10386423", "status": "affected", "versionType": "git", "lessThan": "312d3d4f49e12f97260bcf972c848c3562126a18" }, { "version": "9f909e215fea0652023b9ed09d3d7bfe10386423", "status": "affected", "versionType": "git", "lessThan": "5f6e560e3e86ac053447524224e411034f41f5c7" }, { "version": "9f909e215fea0652023b9ed09d3d7bfe10386423", "status": "affected", "versionType": "git", "lessThan": "8f0ebea8f6e8c474264ed97d7a64c9c09ed4f5aa" }, { "version": "9f909e215fea0652023b9ed09d3d7bfe10386423", "status": "affected", "versionType": "git", "lessThan": "3886a86e7e6cc6ce2ce93c440fecd8f42aed0ce7" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.8", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.8" }, { "version": "5.10.110", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.33", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.16.19", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.16.*" }, { "version": "5.17.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.17.*" }, { "version": "5.18", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }